RAW MIXTURE FOR PRODUCING CONCRETE Russian patent published in 2008 - IPC C04B28/34 C04B111/20 

FIELD: building and construction.

SUBSTANCE: raw mixture for producing concrete includes orthophosphoric acid, scrap of ceramic brick, clay component, wastes of cordierite production, expanded clay and, additionally, wastes of apatite ore concentration and wastes of zircon ilmenite ore concentration, with the following ratio of components, mass %: orthophosphoric acid 16.0-20.0, scrap of ceramic brick 16.0-20.0, clay component 8.0-12.0, wastes of cordierite production 10.0-16.0, wastes of apatite ore concentration 6.0-8.0, wastes of zircon ilmenite ore concentration 6.0-10.0, the remnant is constituted by expanded clay.

EFFECT: increased thermal resistance of concrete.

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